4645556240 has 80 divisors (see below), whose sum is σ = 12244008000. Its totient is φ = 1624997376.

The previous prime is 4645556239. The next prime is 4645556257. The reversal of 4645556240 is 426555464.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97790 + ... + 137309.

It is an arithmetic number, because the mean of its divisors is an integer number (153050100).

Almost surely, 2^4645556240 is an apocalyptic number.

4645556240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4645556240 is an abundant number, since it is smaller than the sum of its proper divisors (7598451760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645556240 is a wasteful number, since it uses less digits than its factorization.

4645556240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235144 (or 235138 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The square root of 4645556240 is about 68158.3174674962. The cubic root of 4645556240 is about 1668.5756724943.

The spelling of 4645556240 in words is "four billion, six hundred forty-five million, five hundred fifty-six thousand, two hundred forty".